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Centrifuge Tests to Evaluate Seismic Settlement of Shallow Foundations on Unsaturated Silty Sand
A set of dynamic centrifuge experiments were conducted to evaluate the effect of the depth of the groundwater table on the seismically-induced soil settlement and the maximum lateral deformation of silty sand when the soil was subjected to a suite of scaled earthquake motions. A physical model was designed and was constructed to represent a surface foundation with a width of about 3.5 m. The experiments consist of a test on dry and saturated soil specimens as well as a test on a soil having the groundwater table below the soil surface. The soil specimens were prepared in a laminar container. Results show that the seismic soil settlements in the free field and beneath the foundation as well as the maximum lateral deformations of the soil, having the groundwater table below the soil surface, are smaller than those for the dry and saturated soil specimens.
Centrifuge Tests to Evaluate Seismic Settlement of Shallow Foundations on Unsaturated Silty Sand
A set of dynamic centrifuge experiments were conducted to evaluate the effect of the depth of the groundwater table on the seismically-induced soil settlement and the maximum lateral deformation of silty sand when the soil was subjected to a suite of scaled earthquake motions. A physical model was designed and was constructed to represent a surface foundation with a width of about 3.5 m. The experiments consist of a test on dry and saturated soil specimens as well as a test on a soil having the groundwater table below the soil surface. The soil specimens were prepared in a laminar container. Results show that the seismic soil settlements in the free field and beneath the foundation as well as the maximum lateral deformations of the soil, having the groundwater table below the soil surface, are smaller than those for the dry and saturated soil specimens.
Centrifuge Tests to Evaluate Seismic Settlement of Shallow Foundations on Unsaturated Silty Sand
Borghei, Amin (author) / Ghayoomi, Majid (author) / Turner, Matthew (author)
Geo-Congress 2020 ; 2020 ; Minneapolis, Minnesota
Geo-Congress 2020 ; 198-207
2020-02-21
Conference paper
Electronic Resource
English
Centrifuge Tests to Evaluate Seismic Settlement of Shallow Foundations on Unsaturated Silty Sand
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